LOCATE('substr',str,pos)方法
SELECT LOCATE('xbar',`foobar`); ###返回0 SELECT LOCATE('bar',`foobarbar`); ###返回4 SELECT LOCATE('bar',`foobarbar`,5); ###返回7
SELECT `column` FROM `table` WHERE LOCATE('keyword', `field`)>0
源文:https://www.cnblogs.com/mqxs/p/9703000.html